皮皮学，免费搜题
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【单选题】
附睾是雄性动物重要生殖器官之一,以下哪种提法是错误的( )。
A.
精子通过附睾管时，获得负电荷，可以防止精子凝集
B.
来自睾丸的稀薄精子悬浮液，通过附睾管时，其中的水分被上皮细胞所吸收，因而到附睾尾成为极浓的精子悬浮液
C.
精子在附睾内成熟后即可凭借自身的运动由附睾头部到达附睾尾部
D.
精子附睾中成熟并储存于附睾，储存时间可达两个月之久
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举一反三
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【判断题】态度受他人和社会环境的影响,同时它又反过来影响他人和社会环境。
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mountains
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相关题目：
【多选题】What questions are mentioned when talking about English as a global language?
A.
Do you think English as a lingua franca is beneficial or detrimental?
B.
Do you agree communication in English is prevalent in the 21 centuary?
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the overhead televisions showing films
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机器学习是一种让计算机利用数据来进行各种工作的方法
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机器学习是研究如何使用机器来模拟人类学习活动的一门学科
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机器学习是一种使用计算机指令来进行各种工作的方法
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病毒
B.
核糖体
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蛋白质生物合成70S起始物
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【多选题】What are mentioned as changes in South Korean society?
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Women are participating more in the economic and political sectors.
B.
Women tend to choose such jobs as teaching and nursing.
C.
The number of women who live alone increases.
D.
The number of families that both parents work also rises.
查看完整题目与答案
【判断题】态度受他人和社会环境的影响,同时它又反过来影响他人和社会环境。
A.
正确
B.
错误
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【多选题】What are mentioned about Italy in the video?意大利的哪些特点？
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mountains
B.
lakes
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small villages
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查看完整题目与答案
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Toronto
B.
Ottawa
C.
Montreal
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Vancouver
查看完整题目与答案